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30 lines
817 B
PHP
30 lines
817 B
PHP
--TEST--
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FFI 031: bit-fields packing
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--SKIPIF--
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<?php require_once('skipif.inc'); ?>
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--INI--
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ffi.enable=1
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--FILE--
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<?php
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function test_size($expected_size, $type) {
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try {
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$size = FFI::sizeof(FFI::new($type));
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if ($size !== $expected_size) {
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echo "FAIL: sizeof($type) != $expected_size ($size)\n";
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}
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} catch (Throwable $e) {
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echo $type . "=>" . get_class($e) . ": " . $e->getMessage()."\n";
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}
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}
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test_size( 4, "struct {int a:2; int b:2;}");
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test_size( 1, "struct __attribute__((packed)) {int a:2; int b:2;}");
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test_size( 8, "struct {int a:2; unsigned long long :60; int b:2;}");
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test_size( 9, "struct __attribute__((packed)) {int a:2; unsigned long long :64; int b:2;}");
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test_size( 4, "union {int a:2; int b:8;}");
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test_size( 1, "union __attribute__((packed)) {int a:2; int b:8;}");
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?>
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ok
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--EXPECT--
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ok
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